Quote:
Originally Posted by bullitt5897
I believe this to be a plausable cause. Mine only kicked in at the end of the braking distances. The car would be able to stop from 60-0 in approximately 50ft and then it would just ice mode to a 75-90ft stopping distance. That would also go to explain why on some surfaces the car would be fine but others it would ice mode hmmm... I think you on to something Travis!
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I can reproduce it on a nice smooth sticky surface with the only factor being temperature. Once the brakes are thoroughly heat soaked ice mode is induced under heavy braking, and this is with totally respectable peak rotor temperatures. I can also prevent ice-mode from occurring by artificially cooling the brakes to prevent the heat soak.
All of my testing has been done on hot and heavy auto-x conditions. It typically takes 20-30 minutes of build up under those conditions to reach a point that ice-mode kicks in for the braking zones.
There are other conditions that activate the ice-mode as well such as sudden bumps, sand, marbles etc, but the heat related one has me beat. What's interesting is that during one of these ice-mode events, at the very end of braking once the car gets below about 15-20mph you suddenly get full braking back again. Totally bizarre.